Policy Ads From 'Harry and Louise' to Newt and Nancy

Nov. 23, 2012 6:21 p.m. ET

Groups have jumped into Washington policy debates over the past two decades through campaigns designed to sway public opinion and policy makers:

Health-Care Overhaul

In one of the most famous policy ads of recent decades, a couple known as "Harry and Louise" are shown at their kitchen table bemoaning aspects of the Clinton health overhaul of 1993-94. The campaign by the Health Insurance Association of America helped derail...